Genetics Terminology and Gregor Mendel's Pea Plant Experiment
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Questions and Answers

What is the term used to describe plants or animals produced by the cross-breeding of two genetically different varieties or species?

  • Hybrid (correct)
  • Homozygous
  • Autosomal
  • Recessive

In genetics, what does the term 'allele' refer to?

  • The dominant gene in a pair
  • The recessive gene in a pair
  • A specific form of a gene (correct)
  • A specific physical trait expressed in an organism

What is the term used to describe having two identical alleles coding for a particular trait?

  • Homozygous (correct)
  • Dominant
  • Autosomal
  • Recessive

Which term is associated with genes located on autosomes rather than sex chromosomes?

<p>Autosomal (D)</p> Signup and view all the answers

In Mendel's pea plant experiment, what did he observe when parents with pure, contrasting traits were crossed together?

<p>Only the dominant traits appeared in the next generation (A)</p> Signup and view all the answers

During the formation of gametes, why does each gene separate from each other?

<p>To ensure each gamete carries only one allele for each gene (D)</p> Signup and view all the answers

What is represented by uppercase letters in a Punnett square?

<p>Dominant alleles (D)</p> Signup and view all the answers

What is the term for one of two or more versions of a genetic sequence at a particular region on a chromosome?

<p>Allele (D)</p> Signup and view all the answers

In genetics, lowercase letters typically represent:

<p>Recessive alleles (B)</p> Signup and view all the answers

If an individual inherits two copies of a specific allele, one from each parent, what term is used to describe this allele?

<p>Recessive (B)</p> Signup and view all the answers

What do Punnett squares allow for the observation of?

<p>All possible combinations (B)</p> Signup and view all the answers

Which term describes the set of genes in DNA that an individual possesses?

<p>Genotype (B)</p> Signup and view all the answers

Which of the following is NOT true about alleles in a Punnett square?

<p>They are located on autosomes (C)</p> Signup and view all the answers

In humans, what are the numbered chromosomes that contain genes not related to sex determination called?

<p>Autosome (C)</p> Signup and view all the answers

What is the significance of uppercase and lowercase letters in genetics?

<p>Representing dominant and recessive alleles (B)</p> Signup and view all the answers

If a person has one or both copies of a specific allele influencing a trait, what term is used to describe this allele?

<p>Carrier (B)</p> Signup and view all the answers

In a Punnett square, what is typically represented by homozygous genotypes?

<p>Dominant traits (C)</p> Signup and view all the answers

What type of allele influences a specific trait if an individual has one or both copies of it, coming from one or both parents?

<p>Dominant (D)</p> Signup and view all the answers

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